body{
  width: 100%;
  margin: auto;
  padding: auto;
}
/*
logo区域
*/
header{
  width: 960px;
  margin: auto;
  padding: auto;
}
header b{
  color: green
}
h1{
  width:98px;
  float: left;
  margin: 0;
}
.text{
  float: left;
  line-height: 2.5;
}
.logo{
  float: left;
  width: 60%;
}
header{
  padding: 0 5%;
  border-top: 4px solid #000;

}
header nav{
  float: left;
  width: 40%;
}
header nav ul{
  list-style: none;

}
header nav ul li{
  float: left;
  width: 20%;
  text-align: center;
}
.active{
  border-radius: 2px;
  background: #1abc9c;
}
.active a{
  color: #fff;
}
nav  a{
  color:#bdc3c7;
   border: 0;
   text-decoration: none;
}
